More RAM not recognized -

[Alan Cox]

>         The other computer now F-14 32 bit, shows cp0/cp1 as 64 bit
>         under lshw
>         but the basic computer as 32 bit. Is that because it's running
>         32 or is that a limitation?

I've no idea what lshw does or where it gets it information from.

>         Maybe I know the answer already, this Dell shows the same 32 bit
>         width and I know I had 64 bit Linux installed on it. Perhaps
>         that has some other meaning and my ignorance is showing!

The 64bit support is determined by the processor. Check for the "lm" flag
in /proc/cpuinfo